rimailho



E. RIMAILHO.

DEVICE FOR FEEDING BUFFERS FOR ORDNANCE WITH LIQUIDS.

APPLICATION FILED JULY 27.19I1.

1,313,835. PatentedAug. 19,1919.

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1 K 2 s 4 29 's 12k?) 10 12 9 1 WIT/VESSEIS- INVENTOR D imz'le Ba'maz'Z/zo 67 BY )4 i n" I ATTORNEY6 UNITED STATES PATENT OFFICE.

EMILE RIMAILHO,

OF PARIS, FRANCE, ASSIGNOR TO' COMPAGNIE DES FORGES ET ACIERIES DE LA MARINE ET DHOMECOURT, OF PARIS, FRANCE.

DEVICE FOR FEEDING BUFFERS FOR ORDNANCE WITH LIQUIDS.

Specification of Letters Patent.

Patented Aw. 19, 1919.

Application filed July 27, 1917. Serial No. 183,205.

To all whom it may concern Be it known that I, EMILE RIMAILIIO, a citizen of the French Republic, and residing in Paris, France, 98 Rue de la Victoire, have invented certain new and useful Improvements in and relating to Devices for Feeding Buffers for Ordnance With Liquids, of which the following is a complete specification.

In the buffers for ordnance, and particularly in the hydropneumatic buffers, the advantage which offers the rapid filling of the buffer has incited the constructors to provide on the mounting, then into the buffer-body itself, a device for feeding the same with liquid.

However, the complexity of such organs, as far as the communication to be established between the pump body and the buffer is concerned, renders their dismantling and replacing generally too important and. minute for an artillery-craft.

This invention has for its object a device for feeding buffers for ordnance with liquid, in which device a ready and perfectly tight communication between the feeding pump and the buffer is obtained.

Oneof the features of said device is the provision, around the pump-body, of a chamber rendered perfectly tight by means of a mounting of joints. Into this chamber discharges the exhaust valve of the pumpbody, andthe feeding channel of the buffer leads therefrom. Another feature of said device is to enable an extremely easy dismantling of the pump by utilizing for this purpose the action of the organs provided for insuring the tightness of the feeding device.

In the accompanying drawing, which illustrates, by way of example, a constructional form of a device according to the invention:

Figure 1 is a section through the longitudinal axis of the pump;

Fig. 2 is a transverse section through the axis of the exhaust valve.

In Fig. 1, 1 is the pump-body, on which all the organs are mounted, and which is held stationary upon the buffer-body 2 by the nut 3; it has externally two joints 1 and 5 compressed by a double-acting spring 6 through the medium of two bearing washers 7 and 8, which form, together with the pump-body 1 and the buffer-body 2, an annular chamber 9 into which opens the feeding channel 10 (Fig. 2) as well as the exhaust-valve 11 of the pump.

The piston 12, the extension of which has a rack-toothing 13, is operated by a pinion 1 1 upon which is keyed the controlling lever or any other actuating device.

15 is the suction valve, 16 the valve-1e turning spring. The opening 17 insures the connnunioation of the pump-cylinder 12 with the exhaust-valve 11 mounted into the pump-body 1; said valve is held stationary by the nut-ring 18 and returned upon its seat by the spring 19 (Fig. 2).

The working is as follows:

During the suction stroke of the piston 12, the liquid enters the pump cylinder through the S'lIOlBlOH-ValVG 15; during the exhaust-stroke, the valve 15 closes and the liquid, forced by the piston 12, lifts the exhaust-valve 11, passes into the annular chamber 9, then into the buffer 20 through they support under the action of the spring. 7

What I claim is 1. A device for feeding buffers for ordnance with liquid, comprising a buffer body provided with a buffer chamber, a pump body in the buffer body, and a chamber between the'bufi'er and pump bodies and into which the liquid is forced by the pump, said chamber communicating with the buffer chamber.

2. In a device for feeding buffers for ordnance with liquid, a buffer body having a buffer chamber,a pump in the buffer body, an annular chamber between the pump and buffer body, having communication with the pump and the buffer chamber, and a spring in the Said annular chamber and engaging the end walls thereof.

3. In a device for feeding buffers for ordnance with liquid, a buffer body having a buffer chamber, a pump body in the buffer body and having a reduced end, spaced washers surrounding the reduced end of the pump body and forming an annular chamber between them and the buffer body, said chamber having communication with the pump and the buffer chamber, and a spring surrounding the reduced end of the pump body and engaging the Washers.

4. In a device for feeding buffers for ord-' nance with liquid, a buffer body, a pump having a body fitting snugly into the buffer.

body, spaced packings on said pump body engaging the bufi'er body whereby an annular chamber is formed between the packings by said pump and bulfer bodies, a spring within said chamber engaging the packing, an inlet valve for the pump, an

v body, a pump having a body therein forming an annular chamber with said bufi'er body, an inlet valve to the pump, an outlet valve from the pump to the annular chamber, said bufie'r body having a buffer-chamher in communication With the annular chamber, and means for actuating the pump. v

6. A device for feeding buffers for ordnance with liquid comprising,a bufier body having a cylindrical bore, a ump having a cylindrical body fitting snugly into the bore, said pump body having a reduced outer surface, spaced packings on said reduced surface adapted to engage the bore of the buffer body Whereby an annular chamber is formed by said pump body and buffer body between said packing, a coil spring on said reduced area of the pump body Within the annular chambers engaging the packings, the tendency of said spring being normally to force said pump body out ofthe bore of the bufl' er body, a threaded memher for locking the pump body in the bore of the buffer body, an inlet valve for the pump, an outlet valve for the pump for dis- EMILE RIMAILHO.

In the presene of JEAN BRUYERsY, DAVIS B. Lnvxs.

Copies of this patent may be obtained for five cents each, by addressing the commissioner of Patents,

Washington, D. C. 

